#include<string.h>
#include<stdio.h>

int main(){
	char s[100];
	gets(s);
	int i;
	for(i=0;i<strlen(s);i++){
		if(s[i]>'0'&&s[i]<='9'){
			printf("%c",s[i]); 
			while(s[++i]>='0'&&s[i]<='9'){
				printf("%c",s[i]);
			}
			printf("    ");
		}
		else if(s[i]=='0'){
			if(s[i+1]>='0'&&s[i+1]<='9'){		
				continue;
			}else{
				printf("0");
			}
			printf("    ");
		}
	}
}

